This is the ValueSet that contains all the codes in ActRelationshipSplitExclusiveTryOnce (http://terminology.hl7.org/ValueSet/v3-ActRelationshipSplitExclusiveTryOnce) and ActRelationshipSplitExclusiveTryOnce (http://terminology.hl7.org/ValueSet/v3-ActRelationshipSplitExclusiveTryOnce). E.g. what you have to deal with if you get resources containing codes in either of them